Hi
Hoping someone can help with a problematic Samsung r530.
Core i3 1st gen, and PCH. no dedicated graphics chips.
Sypmtoms:-
The laptop powers, the display wakes, but shows no logo.
After a few seconds , the screen displays solid white, then red, then green etc.The keyboard still has some functionality e.g. mouse lock, screen brightness, but thats about all.
Cmos reset = no change
Pressing F2/f10/f12/esc during boot has no apparent effect
Tried:-
Stripped the board to bench mode,( board, cpu and ram)
CPU and PCH have had new thermal grease, and another cpu has been installed with same result.
conected external monitor with HDMI port and VGA port to an external monitor, toggling display function key however both routes show
Win 10 USB does appear to load (flashes during startup), not sure how far though.
I've taken voltage readings from the power rails and all appear to be ok?
Tried several known working RAM modules to no evail.
No obvious shorts on media ports and board looks fine under the magnifying glass.
Possible BIOS issue,? (I,m open to other theories) but how to flash when only bios download is a windows based app?
Hoping someone can help with a problematic Samsung r530.
Core i3 1st gen, and PCH. no dedicated graphics chips.
Sypmtoms:-
The laptop powers, the display wakes, but shows no logo.
After a few seconds , the screen displays solid white, then red, then green etc.The keyboard still has some functionality e.g. mouse lock, screen brightness, but thats about all.
Cmos reset = no change
Pressing F2/f10/f12/esc during boot has no apparent effect
Tried:-
Stripped the board to bench mode,( board, cpu and ram)
CPU and PCH have had new thermal grease, and another cpu has been installed with same result.
conected external monitor with HDMI port and VGA port to an external monitor, toggling display function key however both routes show
Win 10 USB does appear to load (flashes during startup), not sure how far though.
I've taken voltage readings from the power rails and all appear to be ok?
Tried several known working RAM modules to no evail.
No obvious shorts on media ports and board looks fine under the magnifying glass.
Possible BIOS issue,? (I,m open to other theories) but how to flash when only bios download is a windows based app?
Comment